[PATCH] really declare dllexport/dllimport for Cygwin

Cygwin does not define _WIN32, but still requires dllexport/dllimport
tags for when applications use the --disable-auto-import linker flag,
probably set by the gl_WOE32_DLL autoconf macro in woe32-dll.m4 file.
---
 include/libxml/xmlexports.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/libxml/xmlexports.h b/include/libxml/xmlexports.h
index 2c79f814..bc8a90d4 100644
--- a/include/libxml/xmlexports.h
+++ b/include/libxml/xmlexports.h
@@ -131,8 +131,8 @@
   #endif
 #endif
 
-/* Cygwin platform, GNU compiler */
-#if defined(_WIN32) && defined(__CYGWIN__)
+/* Cygwin platform (does not define _WIN32), GNU compiler */
+#if defined(__CYGWIN__)
   #undef XMLPUBFUN
   #undef XMLPUBVAR
   #undef XMLCALL
-- 
2.16.1